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Title: Simulation of high-average power windows for accelerator production of tritium

Abstract

Development of a robust, high-average-power (210 kW, CW) microwave transmission line system for the Accelerator Production of Tritium (APT) facility is a stringent engineering and operational requirement. One key component in this RF transmission system is the vacuum barrier window. The requirement of high-power handling capability coupled to the desirability of good mean time to failure characteristics can be treated substantially with a set of microwave, thermal-structural, and Weibull analysis codes. In this paper, we examine realistic 3-D engineering models of the ceramic windows. We model the detailed cooling circuit and make use of accurate heat deposition models for the RF. This input and simulation detail is used to analyze the thermal- structural induced stresses in baseline coaxial window configurations. We also use a Weibull-distribution failure.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory, Livermore, CA
Sponsoring Org.:
USDOE Office of Defense Programs (DP)
OSTI Identifier:
3637
Report Number(s):
UCRL-JC-130420
DP0404012; ON: DE00003637
DOE Contract Number:
W-7405-Eng-48
Resource Type:
Conference
Resource Relation:
Conference: 19th International Linear Accelerator Conference (LINAC), Chicago, IL, August 23-28, 1998
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION; Microwave Power Transmission; RF Systems; Windows

Citation Formats

Cummings, K A, Daily, L D, Mayhall, D J, Nelson, S D, Salem, J, and Shang, C C. Simulation of high-average power windows for accelerator production of tritium. United States: N. p., 1998. Web.
Cummings, K A, Daily, L D, Mayhall, D J, Nelson, S D, Salem, J, & Shang, C C. Simulation of high-average power windows for accelerator production of tritium. United States.
Cummings, K A, Daily, L D, Mayhall, D J, Nelson, S D, Salem, J, and Shang, C C. Thu . "Simulation of high-average power windows for accelerator production of tritium". United States. doi:. https://www.osti.gov/servlets/purl/3637.
@article{osti_3637,
title = {Simulation of high-average power windows for accelerator production of tritium},
author = {Cummings, K A and Daily, L D and Mayhall, D J and Nelson, S D and Salem, J and Shang, C C},
abstractNote = {Development of a robust, high-average-power (210 kW, CW) microwave transmission line system for the Accelerator Production of Tritium (APT) facility is a stringent engineering and operational requirement. One key component in this RF transmission system is the vacuum barrier window. The requirement of high-power handling capability coupled to the desirability of good mean time to failure characteristics can be treated substantially with a set of microwave, thermal-structural, and Weibull analysis codes. In this paper, we examine realistic 3-D engineering models of the ceramic windows. We model the detailed cooling circuit and make use of accurate heat deposition models for the RF. This input and simulation detail is used to analyze the thermal- structural induced stresses in baseline coaxial window configurations. We also use a Weibull-distribution failure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Aug 20 00:00:00 EDT 1998},
month = {Thu Aug 20 00:00:00 EDT 1998}
}

Conference:
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